Lankelma Dam, located in Marion, Iowa, is a privately owned structure designed by the Soil Conservation Service (SCS) with a primary purpose of providing fire protection and serving as a stock or small fish pond. Completed in 1990, this earth dam stands at a height of 31 feet and stretches 370 feet in length, with a storage capacity of 65 acre-feet and a surface area of 4.2 acres. Situated on the TR-South Skunk River, the dam is regulated by the Iowa Department of Natural Resources and has a low hazard potential rating.

Despite its low hazard potential, Lankelma Dam is considered to have a moderate risk level, with a risk assessment rating of 3. While the dam has not been rated in terms of condition assessment, it is inspected, permitted, and regulated by the state of Iowa. The dam does not have an Emergency Action Plan (EAP) in place, and there is no information available regarding its emergency preparedness measures or risk management strategies. Overall, Lankelma Dam serves as an important water resource for the area, offering benefits such as fire protection and recreational opportunities for fishing.